Canadian Tanks in Mass Production -- Mass produced in the Angus shops in Montreal, these infantry tanks have turned off the assembly line and are being fitted with a powerful 2-pounder machine gun, flame thrower and other equipment. Consisting of 40,000 separate parts and costing about 90,000 each these Valentines weigh around 20 tons and have a top speed of 25 miles per hour. More than 3,500 men are employed in their construction at the plant.The factory runs 25 hours a day-6 days a week. ''Valentine'' is now the correct designation of this type of infantry tank. Canada promised 100 of these to Russia. March 15, 1943.